I Hear the Sirens in the Street - Detective Sean Duffy Main edition

There's no such thing as a perfect crime. Sean Duffy knows this. He's back at work and ready for the horrors that awaits him, beginning with a torso in a suitcase, dumped in an abandoned factory. Fully fit after the trauma of his last investigation, Duffy is ready to follow the trail of blood that always, always connects a body to its killer.